An electrical device like this requires a reverse leakage current of 500nA @ 9.9V.During reverse leakage, the maximum current reaches 500nA.Design flexibility is enhanced by its zener current of 9.5mA.For operation, diode reaches 1.1V @ 200mA at the maximum voltage - Forward (Vf).For full functionality, this device should have a reverse voltage peak of 500nA.
1N5243B-TR Features
reverse leakage current of 500nA @ 9.9V 500nA @ 9.9V is the maximum voltage (Tol) Reverse leakage current reaches 500nA the zener current of 9.5mA
1N5243B-TR Applications
There are a lot of Vishay Semiconductor Diodes Division 1N5243B-TR applications of zener single diodes.